Base 26 Alphabet Number System

This is a collection of number lists, conversion charts and math review notes for base 26 Alphabet numbers.

If you want to copy and paste some of these numbers into your own files then for software compatibility reasons it may be easier to use the lists that do not have subscripts.

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Introduction to base 26 Alphabet Numbers

A description of the base 26 Alphabet Number System that can be created using the 26 letters of the English alphabet as our digits. Spreadsheets often use base 26 Alphabet Numbers to label the columns across the top of the application window.

List of base 26 Alphabet Numbers using small letters with subscripts

Counting from 1 to 4000, here is a list of Alphabet Numbers using small letters with base 26 subscripts at the end of each number.

List of base 26 Alphabet Numbers using small letters but no subscripts

Counting from 1 to 4000, here is a list of Alphabet Numbers using small letters but without the base 26 subscripts at the end of each number.

List of base 26 Alphabet Numbers using capital letters with subscripts

Counting from 1 to 4000, here is a list of Alphabet Numbers using capital letters with base 26 subscripts at the end of each number.

List of base 26 Alphabet Numbers using capital letters but no subscripts

Counting from 1 to 4000, here is a list of Alphabet Numbers using capital letters but without the base 26 subscripts at the end of each number.

Conversion list for base 26 Alphabet Numbers and base 10 Decimal Numbers

Counting from 1 to 4000, here is a list of the Alphabet Numbers showing how to calculate their equivalent Decimal Numbers.